Free Missouri CDL General Knowledge Practice Test 2022

You are looking for actual practice for your coming CDL test? So you have come to the right place. Our MO General Knowledge Practice Test has the same questions as the real exam which is based on the Missouri CDL Book. Our CDL practice test pack covers most of the subject areas on the Missouri General Knowledge Test such as shifting techniques, railroad crossing safety, drunk driving laws, and much more to make you become a safer driver. In addition, each question has a detailed explanation that will help you understand the concept and answer future questions about it correctly. If you don't get the pass right away, don't worry, you can take this practice test an unlimited number of times to make sure you learn all the questions. Our Missouri CDL Practice Test will refine your driving knowledge so you can earn your CDL and start driving on the roads. Let’s take our practice test now!

Our CDL practice tests:
Based on 2022 MO commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
MO CDL General Knowledge Test format:
50 questions
40 correct answers to pass
80% passing score
List of questions
1.
Why should you try to move to your right when steering in an emergency?
2.
You are driving on a clear night. You must dim your headlights from high to low. You should adjust your speed so that you can stop within:
3.
The purpose of the retarders is to:
4.
All of the following are requirements for dividing vehicles over 33ft except:
5.
What time does a 14 hour rule violation occur?
6.
In case of a fire, you should pull off the road and do all of the following except:
7.
The primary cause of fatal crashes is:
8.
Special permits will be required for loads that are:
9.
Some general signs that another driver may be distracted include which of the following:
10.
When securing an intermodal container on a chassis, what is the maximum allowable vertical travel when secured?
11.
Using 6 miles per gallon as your fuel mileage and 8 pounds per gallon for the weight of fuel, how much total fuel weight will you burn off in 600 miles?
12.
What is the maximum blood-alcohol concentration allowed for operating a school bus?
13.
The aggregate WLL for logs loaded lengthwise must be at least:
14.
Retreaded, recapped, or regrooved tires are allowed on the front wheels of a bus when?
15.
ABS malfunction lights will be what color?
16.
For your safety, when setting out reflective triangles you should:
17.
Service brake stopping action should be tested at:
18.
The distance that you should look ahead of your vehicle while driving amounts to about ___ miles at normal highway speed.
19.
All of the following are key parts of the steering system except:
20.
When is it acceptable to use amphetamines to help you stay awake while driving?
21.
Sliding the 5th wheel will change the weight distribution almost exclusively between which sets of axles?
22.
What is the minimum amount of rearward force that a cargo securement system must withstand?
23.
Overweight, oversized loads:
24.
When entering or crossing traffic, observe all of the following except:
25.
If you load cargo into the overhang portion of the trailer, what will be the result?
26.
Why should drivers avoid foreign objects in the road?
27.
You should wear a seat belt in a moving vehicle:
28.
What does emergency braking mean?
29.
All of the following apply to farm vehicle operator CDL exemption except:
30.
Circumstances that would make wheels and rims unsafe include the following except:
31.
You are driving a truck with a manual transmission. What gear will you probably have to use to take a long, steep downhill grade?
32.
When should you test your parking brakes?
33.
How long should it take oil pressure to come up to normal?
34.
Steering wheel play should not be more than:
35.
A combination of securing devices which form an assembly that attaches cargo to, or restrains cargo on, a vehicle or trailer, and is attached to anchor point(s) is a:
36.
Which of these actions are NOT recommended for a left turn?
37.
You must park on a side of a level, straight, four-lane divided highway. Where should you place the reflective triangles?
38.
If you are not sure what to use to put out a hazardous material fire you should:
39.
What is the total WLL of two 20mm nylon ropes and one 5/8-inch wire rope?
40.
Should brake adjustment be checked often?
41.
Based on the following figures, how much fuel can you legally add while remaining legal on the drive axles?

Percentage of fuel weight to drive axles: 30%

Weight Before Fueling: Steer: 11,275, drives: 33,750, gross: 77,220

42.
Which of these is true about radiator shutters and the winter-front during winter driving?
43.
You are required to inspect your truck within how many miles after beginning the trip?
44.
The most common cause of skids is:
45.
A steel coil weighing 21,000 lbs requires how much securement against forward movement?
46.
Which statement below is false?
47.
You should always turn on your emergency four-way flashers when you:
48.
Requirements for securing two stacks of shortwood loaded side-by-side include:
49.
The pre-trip inspection should show that the exhaust system is:
50.
Blocking is used to: